Home / 817,753.69-1,226,630.26-218,699.29

Finding the Fourth Proportional to 817,753.69, 1,226,630.26 and 218,699.29

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Solution

The fourth proportional to 817,753.69, 1,226,630.26 and 218,699.29 is: 328,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,753.69 : 1,226,630.26 = 218,699.29 : x
  2. Step 2: Convert to fraction form
    817,753.69/1,226,630.26 = 218,699.29/x
  3. Step 3: Cross multiply
    817,753.69x = 1,226,630.26 × 218,699.29
  4. Step 4: Simplify right side
    817,753.69x = 268,263,167,530.99
  5. Step 5: Solve for x
    x = 268,263,167,530.99/817,753.69
  6. Step 6: Final answer
    x = 328,048.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.